# SPARKvue 4 vs Physics Toolbox Tone Generator

The clearest difference is rating: Physics Toolbox Tone Generator at 3.7 against SPARKvue 4's 1.9. Physics Toolbox Tone Generator also leads on iOS requirement (10.0 vs 13.0). SPARKvue 4's advantage is ratings volume (638 vs 3) and update cadence (every 2 months vs every 5 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Physics Toolbox Tone Generator holds the better App Store score, 3.7 against 1.9. That said, the two scores are not equally well evidenced: SPARKvue 4 has 638 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 46% of SPARKvue 4's written reviews are positive against 40% of Physics Toolbox Tone Generator's, so the app with the better star average is not the one people write more warmly about.

SPARKvue 4 ships an update every 2 months, Physics Toolbox Tone Generator every 5 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | Physics Toolbox Tone Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (638 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/physics-toolbox-tone-generator/id998187454/reviews)** |
| Number of ratings | **638** | 3 |
| Positive reviews | **46.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 91 MB | 1 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Chrystian Vieyra](https://appshunter.io/developer/998187453) |

## What reviewers say

### SPARKvue 4

[App page](https://appshunter.io/ios/app/sparkvue-4/id361907181)

Collect, visualize, and analyze real-time sensor data for STEM education. Wirelessly connect sensors, capture images for analysis, and build custom displays. Share live data and create electronic lab journals for collaborative learning.

**Highlights:** Live sensor data collection, Wireless Bluetooth sensor connection, Multiple data display options, Built-in statistical analysis tools, Interactive lab activities, Electronic student lab journals, Live data sharing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Saved my life
- 🚀 Cured my cancer
- 🚀 Helped me get a girlfriend
- 🚀 Gave me superpowers
- 🚀 Transported me to Syria

**What reviewers complain about**

- 🐛 Crashed my computer
- 🐛 Killed my family
- 🐛 Gave me testicular cancer
- 🐛 Asked for my location
- 🐛 Turned me into a communist

**Reported bugs**

- Caused spontaneous combustion
- Erased all my data
- Triggered a nuclear meltdown
- Turned my dog into a salad bowl
- Gave me a permanent wedgie

**Requested features**

- Add free Fortnite V-Bucks
- Integrate with Tinder
- Allow users to summon demons
- Provide a self-destruct button
- Add support for teleportation


### Physics Toolbox Tone Generator

[App page](https://appshunter.io/ios/app/physics-toolbox-tone-generator/id998187454)

Generate continuous tones with adjustable frequency and amplitude. Modify wave shapes like sine, square, triangle, and sawtooth. Useful for science education experiments and demonstrating sound wave principles.

**Highlights:** Continuous tone generation, Adjustable frequency (0-20,000 Hz), Adjustable amplitude (volume), Multiple wave shapes (sine, square, triangle, sawtooth), Educational applications for sound science, Demonstrate inverse-square law

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPARKvue 4 free?

SPARKvue 4 is free to download, with no in-app purchases.

### Is Physics Toolbox Tone Generator free?

Physics Toolbox Tone Generator is free to download, with no in-app purchases.

### Which has better reviews, SPARKvue 4 or Physics Toolbox Tone Generator?

Physics Toolbox Tone Generator is rated higher. SPARKvue 4 averages 1.9 out of 5 from 638 ratings, while Physics Toolbox Tone Generator averages 3.7 from 3 ratings.

### Do SPARKvue 4 or Physics Toolbox Tone Generator have ads?

Neither SPARKvue 4 nor Physics Toolbox Tone Generator shows ads.

### Which is updated more often, SPARKvue 4 or Physics Toolbox Tone Generator?

SPARKvue 4 ships an update every 2 months, and Physics Toolbox Tone Generator every 5 months. Most recently, SPARKvue 4 was updated on September 24, 2026 and Physics Toolbox Tone Generator on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*